package com.pray.praymall.order.config;

import com.pray.praymall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * do something
 *
 * @author 魂悸魄
 * @date 2020/10/1 16:41
 */
@Configuration
public class MyMQConfig {

    // @RabbitListener(queues = {"order.release.order.queue"})
    // public void listener(OrderEntity orderEntity, Channel channel, Message message) throws IOException {
    //     System.out.println("收到过期的订单信息，准备关闭订单" + orderEntity.getOrderSn());
    //     channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
    // }

    /**
     * 容器中的Binding,Queue,Exchange都会自动创建（RabbitMQ没有的话）
     * RabbitMQ只要有，即使属性发生变化也不会覆盖
     *
     * @return
     */
    @Bean
    public Queue orderDelayQueue() {
        Map<String, Object> args = new HashMap<>();
        args.put("x-dead-letter-exchange", "order-event-exchange");
        args.put("x-dead-letter-routing-key", "order.release.order");
        args.put("x-message-ttl", 60000);
        return new Queue("order.delay.queue", true, false, false, args);
    }

    @Bean
    public Queue orderReleaseOrderQueue() {
        return new Queue("order.release.order.queue", true, false, false);
    }

    @Bean
    public Exchange orderEventExchange() {
        return new TopicExchange("order-event-exchange", true, false);
    }

    @Bean
    public Binding orderCreateOrderBinding() {
        return new Binding("order.delay.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange", "order.create.order", null);
    }

    @Bean
    public Binding orderReleaseOrderBinging() {
        return new Binding("order.release.order.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange", "order.release.order", null);
    }

    /**
     * 订单释放直接和库存释放进行绑定
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBinging() {
        return new Binding("stock.release.stock.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange", "order.release.other.#", null);
    }
}
